/Engine/Source/Runtime/Engine/Classes/Kismet/GameplayStatics.h
Plays a sound directly with no attenuation, perfect for UI sounds.
static void PlaySound2D ( const [UObject](API\Runtime\CoreUObject\UObject\UObject) * WorldContextObject, [USoundBase](API\Runtime\Engine\Sound\USoundBase) * Sound, float VolumeMultiplier, float PitchMultiplier, float StartTime, [USoundConcurrency](API\Runtime\Engine\Sound\USoundConcurrency) * ConcurrencySettings, const [AActor](API\Runtime\Engine\GameFramework\AActor) * OwningActor, bool bIsUISound )